Am 09.12.2014 um 06:40 schrieb Matt Turner: > On Mon, Nov 24, 2014 at 2:37 PM, <srol...@vmware.com> wrote: >> From: Roland Scheidegger <srol...@vmware.com> >> >> llvmpipe disables denorms on purpose (on x86/sse only), because denorms are >> generally neither required nor desired for graphic apis (and in case of >> d3d10, >> they are forbidden). >> However, this caused some arithmetic tests using denorms to fail on some >> systems, because the reference did not generate the same results anymore. >> (It did not fail on all systems - behavior of these math functions is sort >> of undefined when called with non-standard floating point mode, hence the >> result differing depending on implementation and in particular the sse >> capabilities.) >> So, for the reference, simply flush all (input/output) denorms manually >> to zero in this case. >> >> This fixes >> https://urldefense.proofpoint.com/v2/url?u=https-3A__bugs.freedesktop.org_show-5Fbug.cgi-3Fid-3D67672&d=AAIBaQ&c=Sqcl0Ez6M0X8aeM67LKIiDJAXVeAw-YihVMNtXt-uEs&r=Vjtt0vs_iqoI31UfJxBl7yv9I2FeiaeAYgMTLKRBc_I&m=kfA7P5Lq_Kc8RiA_OyaBMl6jeaxCRiOubj10LmlV8gI&s=23wd53B39EpRPW3XV9e2YRxGyVl3wa7ZHICdUTzoPt0&e= >> . >> --- > > Can we pick this to 10.4? I've had a Gentoo bug open about this > failure for since 10.0. > > (commit 8148a06b8fdb734f7f9a11ce787ee6505939fdaa in master) >
Well I guess why not. It's not like it actually fixes a bug in the driver (just fixes the test) so it shouldn't hurt in any case neither :-). Roland _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
